Remove Web Application Proxy Server From Cluster -
This guide provides step-by-step instructions to safely decommission and remove a Web Application Proxy server from an Active Directory Federation Services (AD FS) farm or cluster. Pre-Removal Checklist
Uninstall-WindowsFeature Web-Application-Proxy, CMAK, RSAT-RemoteAccess Use code with caution. Copied to clipboard
Log on to any server in the WAP cluster and open the Remote Access Management Console .
To ensure the cluster continues to function smoothly without the removed node: WAP – How to remove a WAP Server from WAP clusters remove web application proxy server from cluster
: Delete any DNS records (like A or CNAME records) pointing to the old server's IP.
simply reinstall Windows on the same hostname and rejoin it to the cluster without first removing the trust. A reused hostname with an orphaned trust will cause a “duplicate proxy” error during reconfiguration.
: Go to Manage > Remove Roles and Features , uncheck Web Application Proxy under the Remote Access role, and follow the wizard to complete the removal. 3. Clean Up External Dependencies To ensure the cluster continues to function smoothly
: Ensure the remaining WAP servers are online, healthy, and sync with the AD FS configuration.
Uninstall-WindowsFeature Web-Application-Proxy, CMAK, RSAT-RemoteAccess Use code with caution. Copied to clipboard Alternatively, use the Remove Roles and Features Wizard Server Manager : A restart is required to complete the removal. 4. Final Cleanup
If the server is domain-joined and will never return: : Go to Manage > Remove Roles and
Retrieve the list of connected proxy servers to find the exact name: powershell Get-AdfsWebApplicationProxyRelyingPartyTrust Use code with caution.
If the remaining WAP nodes experience resource exhaustion immediately after removal, the load balancer did not successfully distribute traffic.
Log in to the server designated for removal and verify its hostname and current operational status.